Netgear GSM4248P-100NAS Managed Ethernet Switch w- 48 Ports (40 x 10-100-1000BASE-T RJ45 and 8 x 1000BASE-X SFP)

Product Overview

The NETGEAR GSM4248P-100NAS is the AV Line M4250-40G8F-PoE+, a fully managed switch engineered for large-scale AV-over-IP distribution. This M4250 managed switch combines 40 Gigabit PoE+ copper ports with eight 1G SFP fiber uplinks, giving integrators high port density for media networks across a single 1U chassis. Pre-loaded audio and video profiles and a dedicated AV web GUI let AV teams deploy reliable, low-latency 1G transport without deep IT networking expertise.

Product Description

The GSM4248P provides 40 1000BASE-T RJ45 ports with 802.3af/at PoE+ and eight 1000BASE-X SFP fiber slots for distribution and interconnect. NETGEAR's AV web GUI presents color-coded, port-based profiles so technicians can assign endpoints to the correct audio or video service from a graphical interface rather than the command line. Pre-configured video profiles cover AMX SVSI, Crestron NVX, Q-SYS, NDI, and Dante, while audio profiles support Dante, Q-SYS, AES67, and AVB (AVB license sold separately). NETGEAR IGMP Plus handles AV multicast at Layer 2 across interconnected M4250, M4300, and M4350 switches, and Auto-Trunk and Auto-LAG bring up inter-switch links automatically. The switch also runs a full Layer 3 engine with static and dynamic routing, a DHCP server, and PTPv2 timing for synchronized media. The AV GUI and a standard IT GUI, CLI, SNMP, sFlow, and RSPAN cover both AV and IT management workflows, and NMS300 provides single-pane oversight.

Key Features

• 40x 1G PoE+ copper ports — 802.3af/at power and Gigabit data on every RJ45 port for cameras, encoders, and endpoints.
• 8x 1G SFP fiber uplinks — 1000BASE-X slots for distribution runs and inter-switch interconnect over fiber.
• Dedicated AV web GUI — color-coded, port-based profiles assign endpoints to AV services without CLI work.
• Audio profiles — Dante, Q-SYS, AES67, and AVB (AVB license sold separately) for networked audio.
• Video profiles — AMX SVSI, Crestron NVX, Q-SYS, NDI, and Dante for AV-over-IP video transport.
• NETGEAR IGMP Plus — Layer-2 multicast that keeps AV streams reliable across stacked M-Series switches without PIM.
• Auto-Trunk and Auto-LAG — automatic trunk and link aggregation bring up inter-switch links with minimal configuration.
• Full Layer 3 engine — static and dynamic routing, DHCP server, and PTPv2 timing for synchronized media.
• Dual management — AV GUI plus IT GUI, CLI, SNMP, sFlow, and RSPAN, with NMS300 for centralized oversight.
• 1U rack-mountable — reversible front/rear mounting for flexible rack and AV cabinet placement.

Typical Applications

• House of worship — PoE+ for many cameras, encoders, and audio endpoints across the sanctuary and overflow rooms.
• Auditorium — high-port-count distribution for NDI, AMX SVSI, and NVX video alongside networked audio.
• Broadcast studio — Dante, AES67, and PTPv2 timing for synchronized production audio and video.
• Training room — campus classrooms and digital signage powered and switched from a single chassis.
• Commercial meeting space — large multi-room AV-over-IP backbones with consolidated management.

Technical Specifications

Frequently Asked Questions

Does the GSM4248P power PoE devices on every port?
Yes. All 40 copper RJ45 ports support 802.3af/at PoE+, so cameras, encoders, access points, and other endpoints can draw power and data from any access port.

Which AV-over-IP platforms does it support out of the box?
The AV web GUI ships with profiles for Dante, Q-SYS, AES67, and AVB on the audio side and AMX SVSI, Crestron NVX, Q-SYS, NDI, and Dante for video. AVB requires a separate license.

Can I interconnect it with other NETGEAR M-Series switches?
Yes. NETGEAR IGMP Plus, Auto-Trunk, and Auto-LAG let the M4250 interoperate with M4300 and M4350 switches for larger media networks, with consistent management across the line.

What warranty does it carry?
The M4250 series is backed by NETGEAR's ProSAFE limited lifetime hardware warranty.

How do I size the right model for my project?
Contact our team with your endpoint count, PoE budget, and uplink needs and we will help confirm whether the GSM4248P or another M4250 model fits.

Why Buy from Creation Networks

As an authorized NETGEAR reseller with in-house AV and networking expertise, we help you design AV-over-IP systems, size PoE budgets, and select the right switches, SFP modules, and licenses. Browse our NETGEAR managed switch collection or contact our team for project and volume quotes. Pricing is subject to change.